CHEMUNG CO REGIONAL WWTP
NPDES ID: NY0035742
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 1 effluent violation.
Violations
April 30, 2026
Total phenols
70% over limit
Discharged 0.0085 mg/L against a permitted limit of 0.005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, settleable
567% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Total phenols
20% over limit
Discharged 0.006 mg/L against a permitted limit of 0.005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
103% over limit
Discharged 13.17 mg/L against a permitted limit of 6.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Total phenols
20% over limit
Discharged 0.006 mg/L against a permitted limit of 0.005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, total [as N]
25% over limit
Discharged 453.14337251 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, total [as N]
25% over limit
Discharged 451.94950049 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, total [as N]
29% over limit
Discharged 467.11978465 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, total [as N]
30% over limit
Discharged 471.52166069 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
15% over limit
Discharged 5.13 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, total [as N]
32% over limit
Discharged 479.08504076 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Total phenols
50% over limit
Discharged 0.012 mg/L against a permitted limit of 0.008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, settleable
200% over limit
Discharged 0.0009 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
34% over limit
Discharged 484.98421682 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, settleable
233% over limit
Discharged 0.001 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
35% over limit
Discharged 489.95562487 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, total [as N]
34% over limit
Discharged 484.96140082 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Solids, settleable
100% over limit
Discharged 0.0006 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Total phenols
163% over limit
Discharged 0.021 mg/L against a permitted limit of 0.008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Total phenols
144% over limit
Discharged 0.88461899 kg/d against a permitted limit of 0.3632 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
34% over limit
Discharged 485.78203283 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 1.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Phosphorus, total [as P]
134% over limit
Discharged 2.34 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
28% over limit
Discharged 463.48212061 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, total [as N]
30% over limit
Discharged 469.10812466 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
50% over limit
Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, total [as N]
26% over limit
Discharged 457.25434455 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Oxygen demand, ultimate
19% over limit
Discharged 2543.77559863 kg/d against a permitted limit of 2133.79998207 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, total [as N]
28% over limit
Discharged 463.85126861 kg/d against a permitted limit of 362.0800036 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, total [as N]
16% over limit
Discharged 475.43100873 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Total phenols
50% over limit
Discharged 0.012 mg/L against a permitted limit of 0.008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, total [as N]
12% over limit
Discharged 458.24423656 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, total [as N]
11% over limit
Discharged 454.15950292 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, total [as N]
9% over limit
Discharged 444.73431242 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
Total phenols
13% over limit
Discharged 0.009 mg/L against a permitted limit of 0.008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, total [as N]
10% over limit
Discharged 450.54123248 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, total [as N]
8% over limit
Discharged 440.14160038 kg/d against a permitted limit of 409.20000407 kg/d (12MO TOT)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)